CI: backport vm_tests (FreeBSD/NetBSD/OpenBSD/Haiku) from master branch

Author: ThomasWaldmann

.github/workflows/ci.yml

@@ -254,3 +254,105 @@ jobs:
         name: ${{ matrix.binary }}
         path: artifacts/*
         if-no-files-found: error
+
+  vm_tests:
+
+    # Cross-OS tests running inside VMs, aligned with master branch structure.
+    # Uses cross-platform-actions/action to run on FreeBSD, NetBSD, OpenBSD, Haiku.
+    permissions:
+      contents: read
+      id-token: write
+      attestations: write
+    runs-on: ubuntu-24.04
+    timeout-minutes: 90
+    needs: [lint]
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: freebsd
+            version: '14.3'
+            display_name: FreeBSD
+            do_binaries: false
+          - os: netbsd
+            version: '10.1'
+            display_name: NetBSD
+            do_binaries: false
+          - os: openbsd
+            version: '7.7'
+            display_name: OpenBSD
+            do_binaries: false
+          - os: haiku
+            version: 'r1beta5'
+            display_name: Haiku
+            do_binaries: false
+
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        fetch-tags: true
+
+    - name: Test on ${{ matrix.display_name }}
+      id: cross_os
+      uses: cross-platform-actions/[email protected]
+      env:
+        DO_BINARIES: ${{ matrix.do_binaries }}
+      with:
+        operating_system: ${{ matrix.os }}
+        version: ${{ matrix.version }}
+        shell: bash
+        run: |
+          set -euxo pipefail
+          case "${{ matrix.os }}" in
+            freebsd)
+              export IGNORE_OSVERSION=yes
+              sudo -E pkg update -f
+              sudo -E pkg install -y xxhash liblz4 zstd pkgconf git openssl
+              # FUSE libs (if available); ignore if missing
+              sudo -E pkg install -y fusefs-libs || sudo -E pkg install -y fusefs-libs3 || true
+              # Python
+              sudo -E pkg install -y python311 py311-sqlite3 py311-pip py311-virtualenv
+              sudo ln -sf /usr/local/bin/python3.11 /usr/local/bin/python3 || true
+              sudo ln -sf /usr/local/bin/pip3.11 /usr/local/bin/pip3 || true
+              ;;
+            netbsd)
+              sudo /usr/sbin/pkgin -y update || true
+              sudo /usr/sbin/pkgin -y install python311 py311-pip py311-setuptools py311-wheel py311-virtualenv git openssl lz4 zstd xxhash || true
+              python3.11 -m ensurepip || true
+              ;;
+            openbsd)
+              sudo pkg_add -I git || true
+              # Python 3.11 and deps
+              sudo pkg_add -I python%3.11 || true
+              command -v python3 || ln -sf /usr/local/bin/python3.11 /usr/local/bin/python3
+              ;;
+            haiku)
+              pkgman refresh
+              pkgman update -y || true
+              pkgman install -y python3 cmd:python3 pip setuptools_scm git gcc openssl_devel liblz4_devel zstd_devel xxhash || true
+              ;;
+          esac
+          # Common: virtualenv, install, run tests
+          python3 -m venv .venv
+          . .venv/bin/activate
+          python -m pip install --upgrade pip
+          # On some platforms wheels may be missing; retry building from sdist where possible
+          pip install -r requirements.d/development.txt || true
+          pip install -e .
+          case "${{ matrix.os }}" in
+            haiku)
+              # Haiku lacks complete POSIX modes/ACLs and FUSE; skip those and remote tests
+              BORG_TESTS_IGNORE_MODES=1 pytest -v --benchmark-skip -k "not fuse and not remote"
+              ;;
+            openbsd|netbsd)
+              # BSD VMs usually cannot run our FUSE test setup; skip fuse and remote
+              pytest -v --benchmark-skip -k "not fuse and not remote"
+              ;;
+            freebsd)
+              # Be conservative like on other BSDs for CI stability
+              pytest -v --benchmark-skip -k "not fuse and not remote"
+              ;;
+          esac